问题 填空题

一个人步行每小时走5公里,如果骑自行车每1公里比步行少用8分钟,那么他骑自行车的速度是步行速度的______倍.

答案

这个人步行每小时5公里,故每12分钟1公里,

所以他骑车每12-8=4分钟行1公里,即每小时15公里;

所以他骑车速度是步行速度的15÷5=3(倍).

或直接用时间比较:12÷4=3(倍).

故答案为:3.

改错题

The Problem with Television

Now I can’t watch much television but a few years ago,                         1.       

I was used to watch it every night.I was often                                               2.       

a little tired after a day’s work and watch TV                                              3.       

demands very little effort.Unfortunate,there are                                            4.       

too many people among my family.Some wanted                                          5.       

to see the programme while others preferred                                                 6.       

another.I am happy with any programme but                                                7.       

the others spent a lot time arguing and there                                                 8.       

was no way of settling the matter except by                                                         9.       

selling the set.Now someone at home reads instead.                                       10.       

单项选择题